Greenheck Toolbox app icon

Apps Like Greenheck Toolbox for iPhone and iPad

Calculate fan laws and size ducts

Fan Law Calculator allows users to input rpm, cfm, static pressure, and horsepower. Modifying one value recalculates the others. Ductulator helps size HVAC ducts by inputting shape, dimensions, air temperature, elevation, and roughness.

by Greenheck Fan Corporation★ 3.03 ratingsUtilitiesFreeData updated 2026-09-08

Greenheck Toolbox screenshots

Ranked alternatives

Showing 301–320 of 1,000 ranked alternatives.

  1. Dri-Eaz Psychrometric Calc app icon

    Dri-Eaz Psychrometric Calc

    Dri-Eaz Products, Inc.

    Calculate GPP from temperature and humidity

    Calculate drying environment variables by entering temperature and relative humidity to determine grains per pound. Access advanced features for vapor pressure and dew point calculations. Switch between Fahrenheit and Celsius units.

    ★ 3.612 ratingsUtilitiesFreeData updated 2026-09-08
  2. Compound Pro app icon

    Compound Pro

    Prethep Paran

    Calculate interest, track growth, visualize returns

    Calculate interest with real-time results and compare different investment scenarios. View growth charts as line and bar graphs to track investment growth over time. Adjust inputs to simulate various financial outcomes.

    ★ 4.619 ratingsFinance$0.99Data updated 2026-09-06
  1. Velocity Lab Pro app icon

    Velocity Lab Pro

    Engineered Essentials Ventures, LLC

    Calculate vehicle horsepower instantly

    Calculate vehicle horsepower, 1/4 and 1/8 mile trap speed, and times using phone sensors. View detailed performance data. Export results and compare against benchmarks. Set performance goals and track progress over time.

    ★ 4.513 ratingsUtilities$1.99Data updated 2026-09-06
  2. Electrician's Helper app icon

    Electrician's Helper

    Sam Virgillo

    Calculate voltage, current, and power

    Calculate voltage, current, and power in 3-phase delta and wye circuits. Determine conductor ampacity using NEC and CEC tables. Compute voltage drop based on length, size, current, and temperature.

    ★ 4.413 ratingsProductivity$12.99Data updated 2026-11-09
  3. Stamp Concrete Calculator app icon

    Stamp Concrete Calculator

    Appco LLC (USA)

    Calculate mix and stain needs

    Calculate materials for , including color, release, sealer, and overlay mix. Determine quantities for countertops and stains. Input dimensions to receive precise mix amounts for Sika® products.

    ★ 4.816 ratingsUtilitiesFreeData updated 2026-09-11
  4. Pediatric Gas for Anesthesia app icon

    Pediatric Gas for Anesthesia

    Crystal Clear Solutions

    Calculate weight, select ETT size, track patient

    Calculate patient weight based on age, with option to override. Retrieve age-specific information including ETT size, fiberoptic selection, LMA size, fluid requirements, and drug dosing for cardiac medications.

    ★ 3.65 ratingsMedical$0.99Data updated 2026-11-14
  5. DoF Calculator app icon

    DoF Calculator

    永晓 邵

    Calculate depth of field and hyperfocal distance

    Calculate depth of field by selecting frame size, aperture, focal length, and focusing distance. Determine foreground and background depth. Automatically compute hyperfocal distance. Adjust diffuse circle diameter for print size requirements.

    ★ 4.721 ratingsPhoto & VideoFreeData updated 2026-09-06
  6. Wing Loading Calculator app icon

    Wing Loading Calculator

    Robin Clohessy

    Calculate and canopy size

    Calculate by entering exit weight in kilograms or pounds. Input canopy size or use a slider to determine sizing. View and recommended jump experience levels. Helps skydivers select appropriate canopy sizes based on their experience.

    ★ 0.00 ratingsSportsFreeData updated 2026-09-06
  7. Your Pocket-Sized Toolbox app icon

    Your Pocket-Sized Toolbox

    Hany Elmehy

    Measure with precision using a digital ruler

    Ruler measures dimensions with a 1m scale without calibration. Level meter checks surface levels. Speed meter displays speed via GPS. Location shows current position and tracks movement. Compass provides directional orientation.

    ★ 4.117 ratingsUtilitiesFreeData updated 2026-09-11
  8. Quest Psychrometric Calculator app icon

    Quest Psychrometric Calculator

    Therma-Stor, LLC

    Access psychrometric calculations quickly and easily.

    The app provides access to calculations like dew point and dehumidifier performance. Users enter temperature and relative humidity to see dew point or grains per pound, aiding job monitoring.

    ★ 5.02 ratingsProductivityFreeData updated 2026-09-17
  9. Tiles Calculator -Tiles app icon

    Tiles Calculator -Tiles

    Parth Talpara

    Calculate for any room size

    Calculate tile quantities based on room dimensions and tile size. Supports multiple shapes and grout width adjustments. Switch between metric and imperial units. Save project details for future use.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  10. Lennox app icon

    Lennox

    Lennox Industries

    Access HVAC products and dealers easily.

    The app provides access to Lennox Residential HVAC products and dealers. It allows users to find nearby dealers, explore products, and learn about promotions and financing.

    ★ 1.015 ratingsUtilitiesFreeData updated 2026-09-13
  11. Raw Cat Food Calculator app icon

    Raw Cat Food Calculator

    Joel Lopez Aviles

    Calculate cat portions accurately

    Calculate precise ingredient and supplement amounts based on cat's weight and activity level. Input dietary preferences and allergies. Generate daily meal plans and track feeding history. Export recipes and share with veterinarians.

    ★ 5.05 ratingsUtilitiesFreeData updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.